Home / 65,458.13-90,332.82-37,164.42

Finding the Fourth Proportional to 65,458.13, 90,332.82 and 37,164.42

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Solution

The fourth proportional to 65,458.13, 90,332.82 and 37,164.42 is: 51,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,458.13 : 90,332.82 = 37,164.42 : x
  2. Step 2: Convert to fraction form
    65,458.13/90,332.82 = 37,164.42/x
  3. Step 3: Cross multiply
    65,458.13x = 90,332.82 × 37,164.42
  4. Step 4: Simplify right side
    65,458.13x = 3,357,166,862.26
  5. Step 5: Solve for x
    x = 3,357,166,862.26/65,458.13
  6. Step 6: Final answer
    x = 51,287.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.